The Allen mss., 800-1972, consists of manuscript pieces collected by William Edward David Allen, 1901-1973, foreign service officer, businessman, and author, and his own writings about Georgian history.
The Alströmer mss., 1779-1784 and 1865, consists of a series of French newsletters addressed in a number of instances to naturalist Clas Alströmer, 1736-1794, of Gothembourg, Sweden.
The Bingham, W. mss., 1752-1891, consist of the correspondence, writings, personal and business papers of American statesman William Bingham, 1752-1804.
The Binkley, Raglind mss., 1450-1842, consist of medieval fragments collected by lutenist Thomas Binkley, 1931-1995, and his wife, Raglind Herrel Binkley, 1940-.
The Blair, M.A.I. mss., 1684-1897, consists of letters and documents collected by art collector and benefactor Mary Anne Italia Mitchell Blair, 1855-1940.
The Boerner mss., 1779-1828, consist of manuscripts, journals, and correspondence by and relating to German writers Caroline von Wolzogen, Oskar Seidlin, and Friedrich von Schiller, along with related research material from German literary scholar and Goethe researcher Peter Boerner.
The Calverley mss., 1359-18/19th cent., consist of Arabic manuscripts collected by Edwin Elliott Calverley, 1882-1971, professor of Arabic and Islamic studies, whose notes about the documents are occasionally found inscribed thereon.
The Cassani mss., 1776-1777, consist of a logbook kept by navigator Francisco Cassani of the Santo Cristo del Calvario on its journey from Spain to Uruguay and Brazil.
Chesterfield, Philip Dormer Stanhope, Earl of, 1694-1773
The Chesterfield mss., 1740-1777, consists of letters and papers of Philip Dormer Stanhope, 4th earl of Chesterfield, 1694-1773, statesman, and his godson, Philip Stanhope, 5th earl of Chesterfield, 1755-1815, master of the horse.
The Cookery mss., circa 1660–circa 1918, consists of bound and individual writings, often on the topic of cookery, of persons involved with cooking by practice or trade.
The Delany mss., 1728-1760, consists of an anthology, a volume of original drawings, and the manuscript of Marianna by Mary (Granville) Delany, 1700-1788, artist and writer.
The Ege mss. II, 1240-1923, consists of Otto Ege's Original Leaves from Famous Books - Eight Centuries portfolio of leaves collected from books deemed historically significant.